Cheapest return flights from London to Klagenfurt in May from $68

AirHint found the following cheapest return flights from London (STN) to Klagenfurt (KLU) in May 2026 (see full year).

Return flights

13 May - 18 May Ryanair direct
13 May - 25 May Ryanair direct
13 May - 23 May Ryanair direct
11 May - 18 May Ryanair direct
11 May - 25 May Ryanair direct
16 May - 18 May Ryanair direct
16 May - 25 May Ryanair direct
11 May - 23 May Ryanair direct
13 May - 27 May Ryanair direct
11 May - 20 May Ryanair direct
13 May - 01 Jun Ryanair direct
25 May - 06 Jun Ryanair direct
16 May - 01 Jun Ryanair direct
23 May - 06 Jun Ryanair direct
25 May - 01 Jun Ryanair direct
25 May - 13 Jun Ryanair direct
23 May - 01 Jun Ryanair direct

Also check the deals for one-way flights from London to Klagenfurt in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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